does all singaporeans stay in singapore after eduation?
and singaporean get special subsidy
Subsidies & Schemes
Singapore Citizen Singapore Permanent Resident
Universities
(e.g. NUS, NTU, SMU)
S$6,110
S$6,720
Whether Singaporeans stay in Singapore or not is irrelevant,
because it's a birth right. Likewise it's your right to have an
education, housing and medical care in China. 
As Singaporeans it's our right to get subsidized University
education from the government.
But what about you? 
Permanent residents should be moved into full paying students
too. 